语句select ROUND(45.953,-1),TRUNC(45.936,2)from dual;的结果是()。 A.46 and 45B.46 and 45.93C.50 and 45.93D.50 and 45.9
语句select ROUND(45.953,-1),TRUNC(45.936,2)from dual;的结果是()。
A.46 and 45
B.46 and 45.93
C.50 and 45.93
D.50 and 45.9
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